10111010010001 has 4 divisors (see below), whose sum is σ = 10643168431600. Its totient is φ = 9578851588404.

The previous prime is 10111010009993. The next prime is 10111010010011. The reversal of 10111010010001 is 10001001011101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10111010010001 - 2³ = 10111010009993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111010010011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266079210771 + ... + 266079210808.

It is an arithmetic number, because the mean of its divisors is an integer number (2660792107900).

Almost surely, 2^{10111010010001} is an apocalyptic number.

It is an amenable number.

10111010010001 is a deficient number, since it is larger than the sum of its proper divisors (532158421599).

10111010010001 is an equidigital number, since it uses as much as digits as its factorization.

10111010010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532158421598.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 10111010010001 its reverse (10001001011101), we get a palindrome (20112011021102).

The spelling of 10111010010001 in words is "ten trillion, one hundred eleven billion, ten million, ten thousand, one".